CSF 11-16 GMC Sierra 2500HD 6.6L OEM Intercooler

Professional-grade OEM replacement intercooler engineered specifically for 2011-2016 GMC Sierra 2500HD heavy-duty trucks equipped with the robust 6.6L Duramax turbo diesel engine. This heavy-duty charge-air cooler delivers exceptional intake temperature reduction for diesel towing, payload, and performance applications. Built with reinforced tube and fin core construction and durable cast aluminum end tanks, this intercooler handles the extreme heat loads and boost pressures generated by turbocharged Duramax engines under load. Features precision OEM-style connections for direct factory fitment, high-density fin design for maximum cooling efficiency, and robust construction standards that support commercial truck applications. Pressure tested to ensure reliability in demanding diesel truck operations including heavy towing, steep grades, and extended high-load driving scenarios.

Upgrade your Duramax cooling system with this heavy-duty intercooler designed for extreme diesel applications. Maintain safe intake temperatures during heavy towing operations for consistent turbo diesel performance. Install with confidence using direct OEM fitment compatible with factory Sierra mounting provisions. Trust CSF's proven reputation manufacturing cooling components for commercial-grade diesel trucks. Protect your valuable Duramax investment with intercooler quality engineered for heavy-duty reliability.